Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Clear

N/A

Humidity NA
Wind Speed NNW 9 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

5 Miles SE Denair CA

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind becoming west southwest around 5 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Calm wind becoming northwest around 5 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47. Calm wind becoming south southeast around 5 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Mostly cloudy, with a high near 50. Calm wind becoming southeast around 5 mph.

    High: 50 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 10pm.  Cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. Northwest wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 38. Calm wind becoming northwest around 5 mph.
Monday
Partly sunny, with a high near 47. Calm wind becoming south southeast around 5 mph.
Monday Night
Mostly cloudy, with a low around 38. Calm wind.
Tuesday
Partly sunny, with a high near 49. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 39. Calm wind.
Wednesday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 50. Calm wind becoming southeast around 5 mph.
Wednesday Night
A 40 percent chance of rain, mainly after 10pm. Cloudy, with a low around 44. Calm wind.
New Year's Day
Rain likely, mainly after 10am. Cloudy, with a high near 52. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 47. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 52. Southwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 45. North wind around 5 mph.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Denair CA
 37.47°N 120.73°W (Elev. 157 ft)
8:56 pm PST Dec 27, 2025
9pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database